I myself believe that there will one day be time travel because when we find that something isn't forbidden by the over-arching laws of physics we usually eventually find a technological way of doing it.
Time travel may be achieved one day or it may not. But if it is it should...
There's no need to travel further. The Los Angeles area is big enough for us.
Reflect upon your present blessings of which every man has many - not on your past misfortunes of which all men have some.